Base | Representation |
---|---|
bin | 100011110001100… |
… | …1101011000110100 |
3 | 10002122210020222120 |
4 | 1013203031120310 |
5 | 4424301142322 |
6 | 315040555540 |
7 | 41514223026 |
oct | 10743153064 |
9 | 3078706876 |
10 | 1200412212 |
11 | 56666850a |
12 | 296022bb0 |
13 | 161909cac |
14 | b55da016 |
15 | 705bca5c |
hex | 478cd634 |
1200412212 has 24 divisors (see below), whose sum is σ = 2822346912. Its totient is φ = 397082400.
The previous prime is 1200412207. The next prime is 1200412243. The reversal of 1200412212 is 2122140021.
It is a junction number, because it is equal to n+sod(n) for n = 1200412191 and 1200412200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380239 + ... + 383382.
It is an arithmetic number, because the mean of its divisors is an integer number (117597788).
Almost surely, 21200412212 is an apocalyptic number.
1200412212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1200412212 is an abundant number, since it is smaller than the sum of its proper divisors (1621934700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200412212 is a wasteful number, since it uses less digits than its factorization.
1200412212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763759 (or 763757 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 1200412212 is about 34646.9654082432. The cubic root of 1200412212 is about 1062.7802332011.
Adding to 1200412212 its reverse (2122140021), we get a palindrome (3322552233).
The spelling of 1200412212 in words is "one billion, two hundred million, four hundred twelve thousand, two hundred twelve".
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